| CARDIOHELP System | 3 Inspection | 43 |
Service Manual | 3.3 | EN | 05
Copyright Maquet Cardiopulmonary GmbH
3.5.2 Manual Function Test
Self-test
1 Connect the CARDIOHELP to the external power supply with the power supply cord.
2 Press the On/Off button to switch the CARDIOHELP on.
▶ The CARDIOHELP automatically performs a self-test after
being switched on.
System check
3 Check the following parameters during the self-test.
▶ Alarm buzzer 1 (drive control unit) generates an acoustic signal.
▶ Alarm buzzer 2 (sensor control unit) generates an acoustic signal.
▶ Speaker generates an acoustic alarm.
▶ The startup screen appears.
▶ No error report is displayed.
▶ Green On/Off LED lights up.
u Self-test - passed/failed.
Fan Check
1 Dismount the retainer bar [1] as shown in the picture.
Retainer bar
2 Switch the CARDIOHELP on.
3 Press the On/Off button to switch the measuring tool Testo 405-V1 on.
4 Press the On/Off button again to select the unit of measurement [m/s].
5 In order to check the lower fan place the measuring tool at the 4th
ventilation rib from the bottom.
Lower fan check
▶ The lower fan operates correctly if the measured value is between 0.5 m/s and 1.1 m/s.
▶ The lower fan does not operate correctly if the measured value is between 0 m/s and 0.5 m/s.
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